Lives of the Saints by Alban Butler.
The Liturgical Year by Dom Guéranger.
Our Birthday Bouquet Culled from the Shrines of the Saints and the Gardens of the Poets by Eleanor C. Donnelly.
A retelling in the Canterbury Tales
Art & Architecture
Ciborium by Arnolfo di Cambio in the Church of Santa Cecilia in Rome
Frescoes in the Oratory of St Cecilia, San Giacomo Maggiore, Bologna
The Martyrs Cecilia, Valerian and Tiburtius by Orazio Gentileschi
Warburg Institute Iconographic Database – Tiburtius, Valerian
Post-Biblical Saints Art Index
A Handbook of Christian Symbols and Stories of the Saints as Illustrated in Art by Clara Erskine Clement.
A Garner of Saints: Being a Collection of the Legends and Emblems Usually Represented in Art by Allen Hinds.
The Saints in Art with Their Attributes and Symbols, Alphabetically Arranged by Margaret E. Tabor.
Saints and their Symbols: A Companion in the Churches and Picture Galleries of Europe by E. A. Greene.
The Saints in Art by Joseph Maria von Radowitz – Tiburtius & Valerian.
Emblems of Saints by Which They Are Distinguished in Works of Art by F. C. Husenbeth – Tiburtius & Valerian.